Door stopper



FIG. 1 is a perspective view of a door stopper showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a right-side elevational view thereof;

FIG. 6 is a top plan view of FIG. 5 ;

FIG. 7 is an enlarged bottom plan view of FIG. 4 ; and,

FIG. 8 is a detail view of the encircled portion of FIG. 1 .

CLAIM The ornamental design for a door stopper, as shown and described.